package com.demo.config.handler;

import com.demo.common.model.R;
import com.demo.common.utils.ResponseUtils;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/*
    登录失败处理器
 */
@Component
public class MyAuthenticationFailureHandler implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception)
            throws IOException, ServletException {
        // 登录失败响应异常信息
        ResponseUtils.writeJson(response, R.FAIL(exception.getMessage()));
    }
}
